| //===- llvm/Support/Errno.h - Portable+convenient errno handling -*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file declares some portable and convenient functions to deal with errno. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_SUPPORT_ERRNO_H |
| #define LLVM_SUPPORT_ERRNO_H |
| |
| #include <string> |
| |
| namespace llvm { |
| namespace sys { |
| |
| /// Returns a string representation of the errno value, using whatever |
| /// thread-safe variant of strerror() is available. Be sure to call this |
| /// immediately after the function that set errno, or errno may have been |
| /// overwritten by an intervening call. |
| std::string StrError(); |
| |
| /// Like the no-argument version above, but uses \p errnum instead of errno. |
| std::string StrError(int errnum); |
| |
| } // namespace sys |
| } // namespace llvm |
| |
| #endif // LLVM_SYSTEM_ERRNO_H |